diff options
Diffstat (limited to 'media/libvpx/libvpx/vp9/encoder/arm/neon/vp9_highbd_error_neon.c')
-rw-r--r-- | media/libvpx/libvpx/vp9/encoder/arm/neon/vp9_highbd_error_neon.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp9/encoder/arm/neon/vp9_highbd_error_neon.c b/media/libvpx/libvpx/vp9/encoder/arm/neon/vp9_highbd_error_neon.c new file mode 100644 index 0000000000..d9b183472d --- /dev/null +++ b/media/libvpx/libvpx/vp9/encoder/arm/neon/vp9_highbd_error_neon.c @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2023 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include <arm_neon.h> +#include <assert.h> + +#include "./vp9_rtcd.h" +#include "vpx_dsp/arm/mem_neon.h" +#include "vpx_dsp/arm/sum_neon.h" + +int64_t vp9_highbd_block_error_neon(const tran_low_t *coeff, + const tran_low_t *dqcoeff, + intptr_t block_size, int64_t *ssz, int bd) { + uint64x2_t err_u64 = vdupq_n_u64(0); + int64x2_t ssz_s64 = vdupq_n_s64(0); + + const int shift = 2 * (bd - 8); + const int rounding = shift > 0 ? 1 << (shift - 1) : 0; + + assert(block_size >= 16); + assert((block_size % 16) == 0); + + do { + const int32x4_t c = load_tran_low_to_s32q(coeff); + const int32x4_t d = load_tran_low_to_s32q(dqcoeff); + + const uint32x4_t diff = vreinterpretq_u32_s32(vabdq_s32(c, d)); + + err_u64 = vmlal_u32(err_u64, vget_low_u32(diff), vget_low_u32(diff)); + err_u64 = vmlal_u32(err_u64, vget_high_u32(diff), vget_high_u32(diff)); + + ssz_s64 = vmlal_s32(ssz_s64, vget_low_s32(c), vget_low_s32(c)); + ssz_s64 = vmlal_s32(ssz_s64, vget_high_s32(c), vget_high_s32(c)); + + coeff += 4; + dqcoeff += 4; + block_size -= 4; + } while (block_size != 0); + + *ssz = (horizontal_add_int64x2(ssz_s64) + rounding) >> shift; + return ((int64_t)horizontal_add_uint64x2(err_u64) + rounding) >> shift; +} |